Wietsbe married Gerardus Jacobus Vastenholt, son of Jan Vastenholt and Barbara Kriste, on 21 Mar 1935 in Amsterdam, Noord-Holland, Netherlands. (Gerardus Jacobus Vastenholt was born on 10 Jul 1907 in Amsterdam, Noord-Holland, Netherlands and died on 26 Sep 1985 in Amsterdam, Noord-Holland, Netherlands.)